package twb.util;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;


public class EMF {

	private static final EntityManagerFactory emfInstance =
        Persistence.createEntityManagerFactory("transactions-optional");

    public EMF() {}

    public EntityManager entityManager() {
        return emfInstance.createEntityManager();
    }
}
